# SPDX-License-Identifier: Apache-2.0

# Enable debug support in mdb
# Dwarf version 2 can be recognized by mdb
# The default dwarf version in gdb is not recognized by mdb
zephyr_cc_option(-g3 -gdwarf-2)

# Without this (poorly named) option, compiler may generate undefined
# references to abort().
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63691
zephyr_cc_option(-fno-delete-null-pointer-checks)

zephyr_cc_option_ifdef(CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS -munaligned-access)

if(CONFIG_ISA_ARCV2)
  # Instruct compiler to use register R26 as thread pointer
  # for thread local storage.
  # For ARCv3 the register is fixed to r30, so we don't need to specify it
  zephyr_cc_option_ifdef(CONFIG_THREAD_LOCAL_STORAGE -mtp-regno=26)
endif()

add_subdirectory(core)

if(COMPILER STREQUAL arcmwdt)
  add_subdirectory(arcmwdt)
endif()
